[ViewVC] Diff of: cvs/deliantra/server/server/skill

Comparing deliantra/server/server/skill_util.C (file contents):
Revision 1.49 by root, Mon May 14 21:32:27 2007 UTC vs.
Revision 1.94 by root, Sun Apr 11 00:34:06 2010 UTC

…		…
1	/*	1	/*
2	* CrossFire, A Multiplayer game	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copryight (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
7	*	7	*
8	* This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	11	* option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
19	* along with this program; if not, write to the Free Software	19	* and the GNU General Public License along with this program. If not, see
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
21	*	21	*
22	* The author can be reached via e-mail to <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	23	*/
24		24
25	/* Created July 95 to separate skill utilities from actual skills -b.t. */	25	/* Created July 95 to separate skill utilities from actual skills -b.t. */
26		26
27	/* Reconfigured skills code to allow linking of skills to experience	27	/* Reconfigured skills code to allow linking of skills to experience
59	/* init_skills basically just sets up the skill_names table	59	/* init_skills basically just sets up the skill_names table
60	* above. The index into the array is set up by the	60	* above. The index into the array is set up by the
61	* subtypes.	61	* subtypes.
62	*/	62	*/
63	void	63	void
64	init_skills (void)	64	init_skills ()
65	{	65	{
66	for (archetype *at = first_archetype; at; at = at->next)	66	for_all_archetypes (at)
67	if (at->clone.type == SKILL)	67	if (at->type == SKILL)
68	{	68	{
69	if (skill_names[at->clone.subtype])	69	if (skill_names[at->subtype])
70	LOG (llevError, "init_skills: multiple skill using same subtype %d, %s, %s\n",	70	LOG (llevError, "init_skills: multiple skill using same subtype %d, %s, %s\n",
71	at->clone.subtype, &skill_names[at->clone.subtype], &at->clone.skill);	71	at->subtype, &skill_names[at->subtype], &at->skill);
72	else	72	else
73	skill_names[at->clone.subtype] = at->clone.skill;	73	skill_names[at->subtype] = at->skill;
74	}	74	}
75		75
76	/* This isn't really an error if there is no skill subtype set, but	76	/* This isn't really an error if there is no skill subtype set, but
77	* checking for this may catch some user errors.	77	* checking for this may catch some user errors.
78	*/	78	*/
…		…
85	* up the last_skills[] array in the player object.	85	* up the last_skills[] array in the player object.
86	* the last_skills[] is used to more quickly lookup skills -	86	* the last_skills[] is used to more quickly lookup skills -
87	* mostly used for sending exp.	87	* mostly used for sending exp.
88	*/	88	*/
89	void	89	void
90	link_player_skills (object *op)	90	player::link_skills ()
91	{	91	{
		92	for (int i = 0; i < NUM_SKILLS; ++i)
		93	last_skill_ob [i] = 0;
		94
92	for (object *tmp = op->inv; tmp; tmp = tmp->below)	95	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
93	if (tmp->type == SKILL)	96	if (tmp->type == SKILL)
94	{	97	{
95	/* This is really a warning, hence no else below */	98	assert (IN_RANGE_EXC (tmp->subtype, 0, NUM_SKILLS));
96	if (op->contr->last_skill_ob[tmp->subtype] && op->contr->last_skill_ob[tmp->subtype] != tmp)
97	LOG (llevError, "Multiple skills with the same subtype? %s, %s\n",
98	&op->contr->last_skill_ob[tmp->subtype]->skill, &tmp->skill);
99		99
100	if (tmp->subtype >= NUM_SKILLS)	100	if (last_skill_ob [tmp->subtype] != tmp)
101	LOG (llevError, "Invalid subtype number %d (range 0-%d)\n", tmp->subtype, NUM_SKILLS);
102	else
103	{	101	{
		102	/* This is really a warning, hence no else below */
		103	if (last_skill_ob [tmp->subtype])
		104	LOG (llevError, "Multiple skills with the same subtype? %s, %s\n",
		105	&last_skill_ob [tmp->subtype]->skill, &tmp->skill);
		106
104	op->contr->last_skill_ob[tmp->subtype] = tmp;	107	last_skill_ob [tmp->subtype] = tmp;
105	op->contr->ns->last_skill_exp[tmp->subtype] = -1; //TODO: this should go	108	if (ns)
		109	ns->last_skill_exp [tmp->subtype] = -1;
106	}	110	}
107	}	111	}
108	}	112	}
109		113
		114	static object *
		115	find_skill (object *who, shstr_cmp name)
		116	{
		117	if (who->chosen_skill
		118	&& who->chosen_skill->skill == name
		119	&& who->chosen_skill->type == SKILL)
		120	return who->chosen_skill;
		121
		122	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		123	if (tmp->skill == name && tmp->type == SKILL)
		124	return splay (tmp);
		125
		126	return 0;
		127	}
		128
		129	object *player::find_skill (shstr_cmp name) const
		130	{
		131	// might want to use last_skill_obj at one point, or maybe not
		132	return ::find_skill (ob, name);
		133	}
		134
110	/* This returns the skill pointer of the given name (the	135	/* This returns the skill pointer of the given name (the
111	* one that accumlates exp, has the level, etc).	136	* one that accumulates exp, has the level, etc).
112	*	137	*
113	* It is presumed that the player will be needing to actually	138	* It is presumed that the player will be needing to actually
114	* use the skill, so thus if use of the skill requires a skill	139	* use the skill, so thus if use of the skill requires a skill
115	* tool, this code will equip it.	140	* tool, this code will equip it.
116	*/	141	*/
117	object *	142	object *
118	find_skill_by_name (object who, const char name)
119	{
120	if (!name)
121	return 0;
122
123	object skill = 0, skill_tool = 0;
124
125	/* We make sure the length of the string in the object is greater
126	* in length than the passed string. Eg, if we have a skill called
127	* 'hi', we don't want to match if the user passed 'high'
128	*/
129	for (object *tmp = who->inv; tmp; tmp = tmp->below)
130	{
131	if (tmp->type == SKILL && !strncasecmp (name, tmp->skill, strlen (name)) && strlen (tmp->skill) >= strlen (name))
132	skill = tmp;
133
134	/* Try to find appropriate skilltool. If the player has one already
135	* applied, we try to keep using that one.
136	*/
137	else if (tmp->type == SKILL_TOOL && !strncasecmp (name, tmp->skill, strlen (name)) && strlen (tmp->skill) >= strlen (name))
138	{
139	if (QUERY_FLAG (tmp, FLAG_APPLIED))
140	skill_tool = tmp;
141	else if (!skill_tool \|\| !QUERY_FLAG (skill_tool, FLAG_APPLIED))
142	skill_tool = tmp;
143	}
144	}
145
146	/* If this is a skill that can be used without a tool, return it */
147	if (skill && QUERY_FLAG (skill, FLAG_CAN_USE_SKILL))
148	return skill;
149
150	/* Player has a tool to use the skill. If not applied, apply it -
151	* if not successful, return null. If they do have the skill tool
152	* but not the skill itself, give it to them.
153	*/
154	if (skill_tool)
155	{
156	if (!skill)
157	{
158	skill = give_skill_by_name (who, skill_tool->skill);
159	link_player_skills (who);
160	}
161
162	if (!QUERY_FLAG (skill_tool, FLAG_APPLIED))
163	if (apply_special (who, skill_tool, 0))
164	return 0;
165
166	return skill;
167	}
168
169	return 0;
170	}
171
172	static object *
173	find_skill (object *who, const shstr &sh)
174	{
175	for (object *tmp = who->inv; tmp; tmp = tmp->below)
176	if (tmp->skill == sh && tmp->type == SKILL)
177	return tmp;
178
179	return 0;
180	}
181
182	// like the other function above, but for exact matches using a shstr
183	// which is very common inside the server. unlike the above function,
184	// we always return the skill.
185	object *
186	find_skill_by_name (object *who, const shstr &sh)	143	find_skill_by_name (object *who, shstr_cmp sh)
187	{	144	{
188	object *skill_tool = 0;	145	object *skill_tool = 0;
189		146
190	for (object *tmp = who->inv; tmp; tmp = tmp->below)	147	for (object *tmp = who->inv; tmp; tmp = tmp->below)
191	if (tmp->skill == sh)	148	if (tmp->skill == sh)
192	{	149	{
193	if (tmp->type == SKILL && (tmp->flag [FLAG_CAN_USE_SKILL] \|\| tmp->flag [FLAG_APPLIED]))	150	if (tmp->type == SKILL && (tmp->flag [FLAG_CAN_USE_SKILL] \|\| tmp->flag [FLAG_APPLIED]))
194	/* If this is a skill that can be used without applying tool, return it */	151	/* If this is a skill that can be used without applying tool, return it */
195	return tmp->inv_splay ();	152	return splay (tmp);
196	/* Try to find appropriate skilltool. If the player has one already	153	/* Try to find appropriate skilltool. If the player has one already
197	* applied, we try to keep using that one.	154	* applied, we try to keep using that one.
198	*/	155	*/
199	else if (tmp->type == SKILL_TOOL && !skill_tool)	156	else if (tmp->type == SKILL_TOOL && !skill_tool)
200	skill_tool = tmp;	157	skill_tool = tmp;
…		…
208	* but not the skill itself, give it to them.	165	* but not the skill itself, give it to them.
209	*/	166	*/
210	object *skill = find_skill (who, skill_tool->skill);	167	object *skill = find_skill (who, skill_tool->skill);
211		168
212	if (!skill)	169	if (!skill)
213	{
214	skill = give_skill_by_name (who, skill_tool->skill);	170	skill = give_skill_by_name (who, skill_tool->skill);
215	link_player_skills (who);
216	}
217
218	skill->inv_splay ();
219		171
220	if (!skill_tool->flag [FLAG_APPLIED])	172	if (!skill_tool->flag [FLAG_APPLIED])
221	if (apply_special (who, skill_tool, AP_APPLY))	173	if (!who->apply (splay (skill_tool)))
222	return 0;	174	return 0;
223		175
224	return skill;	176	return splay (skill);
		177	}
		178
		179	object *
		180	find_skill_by_name_fuzzy (object who, const char name)
		181	{
		182	if (name)
		183	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		184	if ((tmp->type == SKILL \|\| tmp->type == SKILL_TOOL)
		185	&& tmp->skill.starts_with (name))
		186	if (object *skop = find_skill_by_name (who, tmp->skill))
		187	return skop;
		188
		189	return 0;
225	}	190	}
226		191
227	/* This returns the skill pointer of the given name (the	192	/* This returns the skill pointer of the given name (the
228	* one that accumulates exp, has the level, etc).	193	* one that accumulates exp, has the level, etc).
229	*	194	*
…		…
236	* this replaces find_skill.	201	* this replaces find_skill.
237	*/	202	*/
238	object *	203	object *
239	find_skill_by_number (object *who, int skillno)	204	find_skill_by_number (object *who, int skillno)
240	{	205	{
241	if (!IN_RANGE_EXC (skillno, 1, NUM_SKILLS))
242	return 0;
243
244	object skill = NULL, skill_tool = NULL;
245
246	for (object *tmp = who->inv; tmp; tmp = tmp->below)	206	for (object *tmp = who->inv; tmp; tmp = tmp->below)
247	{
248	if (tmp->type == SKILL && tmp->subtype == skillno)	207	if (tmp->type == SKILL && tmp->subtype == skillno)
249	skill = tmp;	208	if (object *skop = find_skill_by_name (who, tmp->skill))
250
251	/* Try to find appropriate skilltool. If the player has one already
252	* applied, we try to keep using that one.
253	*/
254	//TODO: afaics, skill tools have subtype 0 always
255	else if (tmp->type == SKILL_TOOL && tmp->subtype == skillno)
256	{
257	if (QUERY_FLAG (tmp, FLAG_APPLIED))
258	skill_tool = tmp;
259	else if (!skill_tool \|\| !QUERY_FLAG (skill_tool, FLAG_APPLIED))
260	skill_tool = tmp;
261	}
262	}
263
264	/* If this is a skill that can be used without a tool, return it */
265	if (skill && QUERY_FLAG (skill, FLAG_CAN_USE_SKILL))
266	return skill;
267
268	/* Player has a tool to use the skill. If not applied, apply it -
269	* if not successful, return null. If they do have the skill tool
270	* but not the skill itself, give it to them.
271	*/
272	if (skill_tool)
273	{
274	if (!QUERY_FLAG (skill_tool, FLAG_APPLIED))
275	{
276	if (apply_special (who, skill_tool, 0))
277	return NULL;
278	}
279
280	if (!skill)
281	{
282	skill = give_skill_by_name (who, skill_tool->skill);
283	link_player_skills (who);
284	}
285
286	return skill;	209	return skop;
287	}
288		210
289	return NULL;
290	}
291
292	/* This changes the objects skill to new_skill.
293	* note that this function doesn't always need to get used -
294	* you can now add skill exp to the player without the chosen_skill being
295	* set. This function is of most interest to players to update
296	* the various range information.
297	* return 1 on success, 0 on error
298	*/
299	int
300	change_skill (object who, object new_skill, int flag)
301	{
302	if (who->type != PLAYER)
303	return 0;	211	return 0;
304
305	#if 0
306	// optimise this supposedly common case
307	if (new_skill == who->chosen_skill)
308	return 1;
309	#endif
310
311	if (!new_skill)
312	{
313	LOG (llevError \| logBacktrace, "change_skill called on %s with NULL skill\n",
314	who->debug_desc ());
315	return 0;
316	}
317
318	// the skill could be readied already because it is used by a weapon.
319	who->change_weapon (0);
320	new_skill->inv_splay ();
321
322	if (apply_special (who, new_skill, AP_APPLY))
323	return 0;
324
325	return 1;
326	}
327
328	/* This function just clears the chosen_skill and range_skill values
329	* in the player.
330	*/
331	void
332	clear_skill (object *who)
333	{
334	who->chosen_skill = 0;
335	CLEAR_FLAG (who, FLAG_READY_SKILL);
336
337	if (player *pl = who->contr)
338	if (pl->ranged_ob && pl->ranged_ob->type == SKILL)
339	pl->ranged_ob = 0;
340	}	212	}
341		213
342	/* do_skill() - Main skills use function-similar in scope to cast_spell().	214	/* do_skill() - Main skills use function-similar in scope to cast_spell().
343	* We handle all requests for skill use outside of some combat here.	215	* We handle all requests for skill use outside of some combat here.
344	* We require a separate routine outside of fire() so as to allow monsters	216	* We require a separate routine outside of fire() so as to allow monsters
…		…
351	*/	223	*/
352	int	224	int
353	do_skill (object op, object part, object skill, int dir, const char string)	225	do_skill (object op, object part, object skill, int dir, const char string)
354	{	226	{
355	int success = 0, exp = 0;	227	int success = 0, exp = 0;
356	int did_alc = 0;
357		228
358	if (!skill)	229	if (!skill)
359	return 0;	230	return 0;
360		231
361	/* The code below presumes that the skill points to the object that	232	/* The code below presumes that the skill points to the object that
…		…
386	/* Not 100% sure if this will work with new movement code -	257	/* Not 100% sure if this will work with new movement code -
387	* the levitation skill has move_type for flying, so when	258	* the levitation skill has move_type for flying, so when
388	* equipped, that should transfer to player, when not,	259	* equipped, that should transfer to player, when not,
389	* shouldn't.	260	* shouldn't.
390	*/	261	*/
391	if (QUERY_FLAG (skill, FLAG_APPLIED))	262	if (skill->flag [FLAG_APPLIED])
392	{	263	{
393	CLEAR_FLAG (skill, FLAG_APPLIED);	264	skill->clr_flag (FLAG_APPLIED);
394	new_draw_info (NDI_UNIQUE, 0, op, "You come to earth.");	265	new_draw_info (NDI_UNIQUE, 0, op, "You come to earth.");
395	}	266	}
396	else	267	else
397	{	268	{
398	SET_FLAG (skill, FLAG_APPLIED);	269	skill->set_flag (FLAG_APPLIED);
399	new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!.");	270	new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!");
400	}	271	}
401		272
402	op->update_stats ();	273	op->update_stats ();
403	success = 1;	274	success = 1;
404	break;	275	break;
…		…
414	case SK_HIDING:	285	case SK_HIDING:
415	exp = success = hide (op, skill);	286	exp = success = hide (op, skill);
416	break;	287	break;
417		288
418	case SK_JUMPING:	289	case SK_JUMPING:
419	success = jump (op, dir, skill);	290	exp = success = jump (op, dir, skill);
420	break;	291	break;
421		292
422	case SK_INSCRIPTION:	293	case SK_INSCRIPTION:
423	exp = success = write_on_item (op, string, skill);	294	exp = success = write_on_item (op, string, skill);
424	break;	295	break;
…		…
486	case SK_LITERACY:	357	case SK_LITERACY:
487	case SK_WOODSMAN:	358	case SK_WOODSMAN:
488	/* first, we try to find a cauldron, and do the alchemy thing.	359	/* first, we try to find a cauldron, and do the alchemy thing.
489	* failing that, we go and identify stuff.	360	* failing that, we go and identify stuff.
490	*/	361	*/
		362	{
		363	bool found_cauldron = false;
		364
491	for (object next, tmp = GET_MAP_OB (op->map, op->x, op->y); tmp; tmp = next)	365	for (object next, tmp = GET_MAP_OB (op->map, op->x, op->y); tmp; tmp = next)
492	{	366	{
493	next = tmp->above;	367	next = tmp->above;
494		368
495	if (QUERY_FLAG (tmp, FLAG_IS_CAULDRON))	369	if (tmp->flag [FLAG_IS_CAULDRON])
496	{	370	{
		371	found_cauldron = true;
		372
		373	if (tmp->skill != skill->skill)
		374	{
		375	op->failmsgf ("You can't use the %s with the %s skill!",
		376	query_name (tmp),
		377	query_name (skill));
		378	break;
		379	}
		380
497	attempt_do_alchemy (op, tmp);	381	attempt_do_alchemy (op, tmp, skill);
498		382
499	if (QUERY_FLAG (tmp, FLAG_APPLIED))	383	if (tmp->flag [FLAG_APPLIED])
500	esrv_send_inventory (op, tmp);	384	esrv_send_inventory (op, tmp);
501
502	did_alc = 1;
503	}	385	}
504	}	386	}
505		387
506	if (did_alc == 0)	388	if (!found_cauldron)
507	exp = success = skill_ident (op, skill);	389	exp = success = skill_ident (op, skill);
508		390	}
509	break;	391	break;
510		392
511	case SK_DET_MAGIC:	393	case SK_DET_MAGIC:
512	case SK_DET_CURSE:	394	case SK_DET_CURSE:
513	exp = success = skill_ident (op, skill);	395	exp = success = skill_ident (op, skill);
…		…
544	case SK_SUMMONING:	426	case SK_SUMMONING:
545	case SK_CLIMBING:	427	case SK_CLIMBING:
546	new_draw_info (NDI_UNIQUE, 0, op, "This skill is already in effect.");	428	new_draw_info (NDI_UNIQUE, 0, op, "This skill is already in effect.");
547	break;	429	break;
548		430
		431	case SK_MINING:
		432	success = skill_mining (op, part, skill, dir, string);
		433	break;
		434
		435	case SK_FISHING:
		436	success = skill_fishing (op, part, skill, dir, string);
		437	break;
		438
549	default:	439	default:
550	LOG (llevDebug, "%s attempted to use unknown skill: %d\n", query_name (op), op->chosen_skill->stats.sp);	440	LOG (llevDebug, "%s attempted to use unknown skill: %d\n", query_name (op), op->chosen_skill->stats.sp);
551	break;	441	break;
552	}	442	}
553		443
…		…
555	* Monsters have no skill use time because of the random nature in	445	* Monsters have no skill use time because of the random nature in
556	* which use_monster_skill is called already simulates this.	446	* which use_monster_skill is called already simulates this.
557	* If certain skills should take more/less time, that should be	447	* If certain skills should take more/less time, that should be
558	* in the code for the skill itself.	448	* in the code for the skill itself.
559	*/	449	*/
560
561	if (op->type == PLAYER)	450	if (op->type == PLAYER)
562	op->speed_left -= 1.f;	451	op->speed_left -= 1.f;
563		452
564	/* this is a good place to add experience for successfull use of skills.	453	/* this is a good place to add experience for successfull use of skills.
565	* Note that add_exp() will figure out player/monster experience	454	* Note that add_exp() will figure out player/monster experience
…		…
613	* If an object is not alive and magical we set the base exp higher to	502	* If an object is not alive and magical we set the base exp higher to
614	* help out exp awards for skill_ident skills. Also, if	503	* help out exp awards for skill_ident skills. Also, if
615	* an item is type RUNE, we give out exp based on stats.Cha	504	* an item is type RUNE, we give out exp based on stats.Cha
616	* and level (this was the old system) -b.t.	505	* and level (this was the old system) -b.t.
617	*/	506	*/
618
619	if (!op)	507	if (!op)
620	{ /* no item/creature */	508	{ /* no item/creature */
621	op_lvl = who->map->difficulty < 1 ? 1 : who->map->difficulty;	509	op_lvl = max (1, who->map->difficulty);
622	op_exp = 0;	510	op_exp = 0;
623	}	511	}
624	else if (op->type == RUNE \|\| op->type == TRAP)	512	else if (op->type == RUNE \|\| op->type == TRAP)
625	{ /* all traps. If stats.Cha > 1 we use that	513	{ /* all traps. If stats.Cha > 1 we use that
626	* for the amount of experience */	514	* for the amount of experience */
…		…
629	}	517	}
630	else	518	else
631	{ /* all other items/living creatures */	519	{ /* all other items/living creatures */
632	op_exp = op->stats.exp;	520	op_exp = op->stats.exp;
633	op_lvl = op->level;	521	op_lvl = op->level;
634	if (!QUERY_FLAG (op, FLAG_ALIVE))	522	if (!op->flag [FLAG_ALIVE])
635	{ /* for ident/make items */	523	op_lvl += 5 * abs (op->magic); /* for ident/make items */
636	op_lvl += 5 * abs (op->magic);
637	}
638	}	524	}
639		525
640	if (op_lvl < 1)	526	if (op_lvl < 1)
641	op_lvl = 1;	527	op_lvl = 1;
642		528
…		…
650	/* if skill really is a skill, then we can look at the skill archetype for	536	/* if skill really is a skill, then we can look at the skill archetype for
651	* bse reward value (exp) and level multiplier factor.	537	* bse reward value (exp) and level multiplier factor.
652	*/	538	*/
653	if (skill->type == SKILL)	539	if (skill->type == SKILL)
654	{	540	{
655	base += skill->arch->clone.stats.exp;	541	base += skill->arch->stats.exp;
656	if (settings.simple_exp)	542	if (settings.simple_exp)
657	{	543	{
658	if (skill->arch->clone.level)	544	if (skill->arch->level)
659	lvl_mult = (float) skill->arch->clone.level / 100.0;	545	lvl_mult = (float) skill->arch->level / 100.0;
660	else	546	else
661	lvl_mult = 1.0; /* no adjustment */	547	lvl_mult = 1.0; /* no adjustment */
662	}	548	}
663	else	549	else
664	{	550	{
665	if (skill->level)	551	if (skill->level)
666	lvl_mult = ((float) skill->arch->clone.level * (float) op_lvl) / ((float) skill->level * 100.0);	552	lvl_mult = ((float) skill->arch->level * (float) op_lvl) / ((float) skill->level * 100.0);
667	else	553	else
668	lvl_mult = 1.0;	554	lvl_mult = 1.0;
669	}	555	}
670	}	556	}
671	else	557	else
672	{	558	{
673	/* Don't divide by zero here! */	559	/* Don't divide by zero here! */
674	lvl_mult = (float) op_lvl / (float) (skill->level ? skill->level : 1);	560	lvl_mult = (float) op_lvl / (float) max (1, skill->level);
675	}	561	}
676	}	562	}
677		563
678	/* assemble the exp total, and return value */	564	/* assemble the exp total, and return value */
679		565
…		…
696	* player learns the skill, 2 otherwise.	582	* player learns the skill, 2 otherwise.
697	*/	583	*/
698	int	584	int
699	learn_skill (object pl, object scroll)	585	learn_skill (object pl, object scroll)
700	{	586	{
701	object *tmp;
702
703	if (!scroll->skill)	587	if (!scroll->skill)
704	{	588	{
705	LOG (llevError, "skill scroll %s does not have skill pointer set.\n", &scroll->name);	589	LOG (llevError, "skill scroll %s does not have skill pointer set.\n", &scroll->name);
706	return 2;	590	return 2;
707	}	591	}
708		592
709	/* can't use find_skill_by_name because we want skills the player knows	593	object *tmp = find_skill (pl, scroll->skill);
710	* but can't use natively.
711	*/
712
713	for (tmp = pl->inv; tmp != NULL; tmp = tmp->below)
714	if (tmp->type == SKILL && !strncasecmp (scroll->skill, tmp->skill, strlen (scroll->skill)))
715	break;
716		594
717	/* player already knows it */	595	/* player already knows it */
718	if (tmp && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL))	596	if (tmp && tmp->flag [FLAG_CAN_USE_SKILL])
719	return 0;	597	return 0;
720		598
721	/* now a random change to learn, based on player Int.	599	/* now a random change to learn, based on player Int.
722	* give bonus based on level - otherwise stupid characters	600	* give bonus based on level - otherwise stupid characters
723	* might never be able to learn anything.	601	* might never be able to learn anything.
…		…
732	{	610	{
733	LOG (llevError, "skill scroll %s does not have valid skill name (%s).\n", &scroll->name, &scroll->skill);	611	LOG (llevError, "skill scroll %s does not have valid skill name (%s).\n", &scroll->name, &scroll->skill);
734	return 2;	612	return 2;
735	}	613	}
736		614
737	SET_FLAG (tmp, FLAG_CAN_USE_SKILL);	615	tmp->set_flag (FLAG_CAN_USE_SKILL);
738	link_player_skills (pl);	616
739	return 1;	617	return 1;
740	}	618	}
741		619
742	/* Gives a percentage clipped to 0% -> 100% of a/b. */	620	/* Gives a percentage clipped to 0% -> 100% of a/b. */
743	/* Probably belongs in some global utils-type file? */	621	/* Probably belongs in some global utils-type file? */
…		…
767	* Note this function is a bit more complicated becauase we	645	* Note this function is a bit more complicated becauase we
768	* we want ot sort the skills before printing them. If we	646	* we want ot sort the skills before printing them. If we
769	* just dumped this as we found it, this would be a bit	647	* just dumped this as we found it, this would be a bit
770	* simpler.	648	* simpler.
771	*/	649	*/
772		650	//TODO: egad, do it in perl, do not suffer from the big buffer on stack, make it one single drawinfo.
773	void	651	void
774	show_skills (object op, const char search)	652	show_skills (object pl, const char search)
775	{	653	{
776	object *tmp = NULL;
777	char buf[MAX_BUF];
778	const char *cp;	654	const char *cp;
779	int i, num_skills_found = 0;	655	int i, num_skills_found = 0;
780	static const char *const periods = "........................................";	656	const char *const periods = ".............................."; // 30
781		657
782	/* Need to have a pointer and use strdup for qsort to work properly */	658	/* Need to have a pointer and use strdup for qsort to work properly */
783	char skills[NUM_SKILLS][MAX_BUF];	659	char skills[NUM_SKILLS][128]; // d'oh
784		660
		661	object *op = pl->contr->ob;
785		662
786	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	663	for (object *tmp = op->inv; tmp; tmp = tmp->below)
787	{	664	{
788	if (tmp->type == SKILL)	665	if (tmp->type == SKILL)
789	{	666	{
790	if (search && strstr (tmp->name, search) == NULL)	667	if (search && !tmp->name.contains (search))
791	continue;	668	continue;
		669
		670	char buf[30];
		671
792	/* Basically want to fill this out to 40 spaces with periods */	672	/* Basically want to fill this out to 30 spaces with periods */
793	sprintf (buf, "%s%s", &tmp->name, periods);	673	snprintf (buf, sizeof (buf), "%s%s", &tmp->name, periods);
794	buf[40] = 0;
795		674
796	if (settings.permanent_exp_ratio)	675	if (settings.permanent_exp_ratio)
797	{
798	sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%" PRId64 "/%" PRId64 "/%d%%)",	676	snprintf (skills[num_skills_found++], sizeof (skills [0]), "%slvl:%3d (xp:%" PRId64 "/%" PRId64 "/%d%%)",
799	buf, tmp->level, tmp->stats.exp,	677	buf, tmp->level, tmp->stats.exp,
800	level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp));	678	level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp));
801	}
802	else	679	else
803	{
804	sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%" PRId64 "/%" PRId64 ")",	680	snprintf (skills[num_skills_found++], sizeof (skills [0]), "%slvl:%3d (xp:%" PRId64 "/%" PRId64 ")",
805	buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul));	681	buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul));
806	}	682
807	/* I don't know why some characters get a bunch of skills, but	683	/* I don't know why some characters get a bunch of skills, but
808	* it sometimes happens (maybe a leftover from bugier earlier code	684	* it sometimes happens (maybe a leftover from bugier earlier code
809	* and those character are still about). In any case, lets handle	685	* and those character are still about). In any case, lets handle
810	* it so it doesn't crash the server - otherwise, one character may	686	* it so it doesn't crash the server - otherwise, one character may
811	* crash the server numerous times.	687	* crash the server numerous times.
812	*/	688	*/
813	if (num_skills_found >= NUM_SKILLS)	689	if (num_skills_found >= NUM_SKILLS)
814	{	690	{
815	new_draw_info (NDI_RED, 0, op, "Your character has too many skills.");	691	new_draw_info (NDI_RED \| NDI_REPLY, 0, op, "Your character has too many skills.");
816	new_draw_info (NDI_RED, 0, op, "Something isn't right - contact the server admin");	692	new_draw_info (NDI_RED \| NDI_REPLY, 0, op, "Something isn't right - contact the server admin");
817	break;	693	break;
818	}	694	}
819	}	695	}
820	}	696	}
821		697
822	clear_win_info (op);	698	dynbuf_text &msg = msg_dynbuf; msg.clear ();
823	new_draw_info (NDI_UNIQUE, 0, op, "Player skills:");	699
		700	msg << "T<Player skills:>\n\n";
824	if (num_skills_found > 1)	701	if (num_skills_found > 1)
825	qsort (skills, num_skills_found, MAX_BUF, (int ()(const void , const void *)) std::strcmp);	702	qsort (skills, num_skills_found, sizeof (skills [0]), (int ()(const void , const void *)) std::strcmp);
826		703
827	for (i = 0; i < num_skills_found; i++)	704	for (i = 0; i < num_skills_found; i++)
828	new_draw_info (NDI_UNIQUE, 0, op, skills[i]);	705	msg << " C<" << skills [i] << ">\n";
829		706
830	new_draw_info_format (NDI_UNIQUE, 0, op, "You can handle %d weapon improvements.", op->level / 5 + 5);	707	msg << "\nYou can handle " << op->level / 5 + 5 << " weapon improvements.\r";
831		708
832	cp = determine_god (op);	709	cp = determine_god (op);
833	new_draw_info_format (NDI_UNIQUE, 0, op, "You worship %s.", cp ? cp : "no god at current time");	710	msg << "You worship " << (cp ? cp : "no god at current time") << ".\r";
834		711
835	new_draw_info_format (NDI_UNIQUE, 0, op, "Your equipped item power is %d out of %d\n",	712	msg << "Your equipped item power is " << (int)op->contr->item_power
836	op->contr->item_power, (int) (op->level * settings.item_power_factor));	713	<< " out of " << int (op->level * settings.item_power_factor)
		714	<< ".\n";
		715
		716	pl->contr->infobox (MSG_CHANNEL ("skills"), msg);
837	}	717	}
838		718
839	/* use_skill() - similar to invoke command, it executes the skill in the	719	/* use_skill() - similar to invoke command, it executes the skill in the
840	* direction that the user is facing. Returns false if we are unable to	720	* direction that the user is facing. Returns false if we are unable to
841	* change to the requested skill, or were unable to use the skill properly.	721	* change to the requested skill, or were unable to use the skill properly.
…		…
849	size_t len;	729	size_t len;
850		730
851	if (!string)	731	if (!string)
852	return 0;	732	return 0;
853		733
854	for (skop = op->inv; skop != NULL; skop = skop->below)	734	for (skop = op->inv; skop; skop = skop->below)
855	{	735	if ((skop->type == SKILL \|\| skop->type == SKILL_TOOL)
856	if (skop->type == SKILL && QUERY_FLAG (skop, FLAG_CAN_USE_SKILL) &&
857	!strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))	736	&& !strncmp (string, skop->skill, min (strlen (string), strlen (skop->skill))))
		737	{
		738	skop = find_skill_by_name (op, skop->skill);
858	break;	739	break;
859	else if (skop->type == SKILL_TOOL && !strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))
860	break;
861	}	740	}
		741
862	if (!skop)	742	if (!skop)
863	{	743	{
864	new_draw_info_format (NDI_UNIQUE, 0, op, "Unable to find skill %s", string);	744	op->failmsgf ("Unable to find skill %s.", string);
		745	return 0;
		746	}
		747
		748	if (!(skill_flags [skop->subtype] & SF_USE))
		749	{
		750	op->failmsgf (
		751	"You feel as if you wanted to do something funny, but you can't remember what. "
		752	"H<The %s skill cannot be C<use_skill>'ed - maybe you need to C<ready_skill> it, "
		753	"use it with some item, or it's always active.>",
		754	&skop->skill
		755	);
865	return 0;	756	return 0;
866	}	757	}
867		758
868	len = strlen (skop->skill);	759	len = strlen (skop->skill);
869		760
…		…
871	* options given to the skill. Its pretty simple - if there	762	* options given to the skill. Its pretty simple - if there
872	* are extra parameters (as deteremined by string length), we	763	* are extra parameters (as deteremined by string length), we
873	* want to skip over any leading spaces.	764	* want to skip over any leading spaces.
874	*/	765	*/
875	if (len >= strlen (string))	766	if (len >= strlen (string))
876	{
877	string = NULL;	767	string = NULL;
878	}
879	else	768	else
880	{	769	{
881	string += len;	770	string += len;
882	while (*string == 0x20)	771	while (*string == 0x20)
883	string++;	772	string++;
		773
884	if (strlen (string) == 0)	774	if (strlen (string) == 0)
885	string = NULL;	775	string = NULL;
886	}	776	}
887		777
888	#ifdef SKILL_UTIL_DEBUG	778	#ifdef SKILL_UTIL_DEBUG
889	LOG (llevDebug, "use_skill() got skill: %s\n", sknum > -1 ? skills[sknum].name : "none");	779	LOG (llevDebug, "use_skill() got skill: %s\n", sknum > -1 ? skills[sknum].name : "none");
890	#endif	780	#endif
891		781
892	/* Change to the new skill, then execute it. */
893	if (do_skill (op, op, skop, op->facing, string))	782	if (do_skill (op, op, skop, op->facing, string))
894	return 1;	783	return 1;
895		784
896	return 0;	785	return 0;
897	}	786	}
898		787
899	static bool	788	static bool
900	hth_skill_p (object *skill)	789	hth_skill_p (object *skill)
901	{	790	{
902	return (skill_flags [skill->subtype] & (SF_COMBAT \| SF_NEED_WEAPON)) == SF_COMBAT;	791	return (skill_flags [skill->subtype] & (SF_COMBAT \| SF_NEED_ITEM)) == SF_COMBAT;
903	}	792	}
904		793
905	/* This finds the first unarmed skill the player has, and returns it.	794	/* This finds the first unarmed skill the player has, and returns it.
906	*/	795	*/
907	static object *	796	static object *
908	find_player_hth_skill (object *op)	797	find_player_hth_skill (object *op)
909	{	798	{
910	for (object *tmp = op->inv; tmp; tmp = tmp->below)	799	for (object *tmp = op->inv; tmp; tmp = tmp->below)
911	if (tmp->type == SKILL && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL) && hth_skill_p (tmp))	800	if (tmp->type == SKILL && tmp->flag [FLAG_CAN_USE_SKILL] && hth_skill_p (tmp))
912	return tmp;	801	return tmp;
913		802
914	return 0;	803	return 0;
915	}	804	}
916		805
…		…
935	* the caller should have set it appropriately). We still want to pass	824	* the caller should have set it appropriately). We still want to pass
936	* through that code if skill is set to change to the skill.	825	* through that code if skill is set to change to the skill.
937	*/	826	*/
938	if (player *pl = op->contr)	827	if (player *pl = op->contr)
939	{	828	{
940	if (!pl->combat_ob)	829	if (skill)
941	{	830	{
942	if (QUERY_FLAG (op, FLAG_READY_WEAPON))	831	if (!op->apply (skill))
		832	return 0;
		833	}
		834	else
		835	{
		836	if (!pl->combat_ob)
943	{	837	{
944	for (tmp = op->inv; tmp; tmp = tmp->below)	838	if (op->flag [FLAG_READY_WEAPON])
945	if (tmp->type == WEAPON && QUERY_FLAG (tmp, FLAG_APPLIED))
946	break;
947
948	if (!tmp)
949	{	839	{
		840	for (tmp = op->inv; tmp; tmp = tmp->below)
		841	if (tmp->type == WEAPON && tmp->flag [FLAG_APPLIED])
		842	break;
		843
		844	if (!tmp)
950	LOG (llevError, "Could not find applied weapon on %s\n", &op->name);	845	LOG (llevError, "Could not find applied weapon on %s\n", &op->name);
951	return 0;	846
		847	pl->combat_ob = tmp;
952	}	848	}
953		849
954	change_skill (op, find_skill_by_name (op, tmp->skill), 1);	850	if (!pl->combat_ob)
955	}
956	else
957	{
958	if (!skill)
959	{	851	{
960	/* See if the players chosen skill is a combat skill, and use	852	/* See if the players chosen skill is a combat skill, and use
961	* it if appropriate.	853	* it if appropriate.
962	*/	854	*/
963	if (op->chosen_skill && hth_skill_p (op->chosen_skill))	855	if (op->chosen_skill && hth_skill_p (op->chosen_skill))
…		…
965	else	857	else
966	{	858	{
967	skill = find_player_hth_skill (op);	859	skill = find_player_hth_skill (op);
968		860
969	if (!skill)	861	if (!skill)
970	{
971	new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!");	862	new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!");
972	return 0;
973	}
974	}	863	}
		864
		865	op->apply (skill);
975	}	866	}
976		867
977	/* now try to ready the new skill */	868	if (!pl->combat_ob)
978	if (!change_skill (op, skill, 0))	869	{
979	{ /* oh oh, trouble! */	870	LOG (llevError, "Could not find anything to attack on %s\n", &op->name);
980	new_draw_info_format (NDI_UNIQUE, 0, op, "Couldn't change to skill %s", &skill->name);
981	return 0;	871	return 0;
982	}	872	}
983	}	873	}
984		874
985	if (!pl->combat_ob)	875	if (!op->apply (pl->combat_ob))
986	{
987	LOG (llevError, "Could not find anything to attack on %s\n", &op->name);
988	return 0;	876	return 0;
989	}
990	}	877	}
991
992	if (!op->change_weapon (pl->combat_ob))
993	return 0;
994		878
995	/* lose invisiblity/hiding status for running attacks */	879	/* lose invisiblity/hiding status for running attacks */
996	if (pl->tmp_invis)	880	if (pl->tmp_invis)
997	{	881	{
998	pl->tmp_invis = 0;	882	pl->tmp_invis = 0;
999	op->invisible = 0;	883	op->invisible = 0;
1000	op->hide = 0;	884	op->flag [FLAG_HIDDEN] = 0;
1001	update_object (op, UP_OBJ_CHANGE);	885	update_object (op, UP_OBJ_CHANGE);
1002	}	886	}
1003	}	887	}
1004		888
1005	int success = attack_ob (tmp, op);	889	int success = attack_ob (tmp, op);
1006		890
1007	/* print appropriate messages to the player */	891	/* print appropriate messages to the player */
1008		892
1009	if (success && string && tmp && !QUERY_FLAG (tmp, FLAG_FREED))	893	if (success && string && tmp && !tmp->flag [FLAG_FREED])
1010	{	894	{
1011	if (op->type == PLAYER)	895	if (op->type == PLAYER)
1012	new_draw_info_format (NDI_UNIQUE, 0, op, "You %s %s!", string, query_name (tmp));	896	new_draw_info_format (NDI_UNIQUE, 0, op, "You %s %s!", string, query_name (tmp));
1013	else if (tmp->type == PLAYER)	897	else if (tmp->type == PLAYER)
1014	new_draw_info_format (NDI_UNIQUE, 0, tmp, "%s %s you!", query_name (op), string);	898	new_draw_info_format (NDI_UNIQUE, 0, tmp, "%s %s you!", query_name (op), string);
…		…
1017	return success;	901	return success;
1018	}	902	}
1019		903
1020	/* skill_attack() - Core routine for use when we attack using a skills	904	/* skill_attack() - Core routine for use when we attack using a skills
1021	* system. In essence, this code handles	905	* system. In essence, this code handles
1022	* all skill-based attacks, ie hth, missile and melee weapons should be	906	* all skill-based attacks, i.e. hth, missile and melee weapons should be
1023	* treated here. If an opponent is already supplied by move_player(),	907	* treated here. If an opponent is already supplied by move_player(),
1024	* we move right onto do_skill_attack(), otherwise we find if an	908	* we move right onto do_skill_attack(), otherwise we find if an
1025	* appropriate opponent exists.	909	* appropriate opponent exists.
1026	*	910	*
1027	* This is called by move_player() and attack_hth()	911	* This is called by move_player() and attack_hth()
…		…
1057	/* space must be blocked for there to be anything interesting to do */	941	/* space must be blocked for there to be anything interesting to do */
1058	if (!OB_TYPE_MOVE_BLOCK (pl, GET_MAP_MOVE_BLOCK (m, tx, ty)))	942	if (!OB_TYPE_MOVE_BLOCK (pl, GET_MAP_MOVE_BLOCK (m, tx, ty)))
1059	return 0;	943	return 0;
1060		944
1061	for (tmp = GET_MAP_OB (m, tx, ty); tmp; tmp = tmp->above)	945	for (tmp = GET_MAP_OB (m, tx, ty); tmp; tmp = tmp->above)
1062	if ((QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->stats.hp >= 0) \|\| QUERY_FLAG (tmp, FLAG_CAN_ROLL) \|\| tmp->type == LOCKED_DOOR)	946	if ((tmp->flag [FLAG_ALIVE] && tmp->stats.hp >= 0) \|\| tmp->flag [FLAG_CAN_ROLL] \|\| tmp->type == LOCKED_DOOR)
1063	{	947	{
1064	/* Don't attack party members */	948	/* Don't attack party members */
1065	if ((pl->type == PLAYER && tmp->type == PLAYER) && (pl->contr->party != NULL && pl->contr->party == tmp->contr->party))	949	if ((pl->type == PLAYER && tmp->type == PLAYER) && (pl->contr->party != NULL && pl->contr->party == tmp->contr->party))
1066	return 0;	950	return 0;
1067		951
…		…
1089	static int	973	static int
1090	attack_hth (object pl, int dir, const char string, object *skill)	974	attack_hth (object pl, int dir, const char string, object *skill)
1091	{	975	{
1092	object enemy = NULL, weapon;	976	object enemy = NULL, weapon;
1093		977
1094	if (QUERY_FLAG (pl, FLAG_READY_WEAPON))	978	if (pl->flag [FLAG_READY_WEAPON])
1095	for (weapon = pl->inv; weapon; weapon = weapon->below)	979	for (weapon = pl->inv; weapon; weapon = weapon->below)
1096	{	980	{
1097	if (weapon->type == WEAPON && QUERY_FLAG (weapon, FLAG_APPLIED))	981	if (weapon->type == WEAPON && weapon->flag [FLAG_APPLIED])
1098	{	982	{
1099	CLEAR_FLAG (weapon, FLAG_APPLIED);	983	weapon->clr_flag (FLAG_APPLIED);
1100	CLEAR_FLAG (pl, FLAG_READY_WEAPON);	984	pl->clr_flag (FLAG_READY_WEAPON);
1101	pl->update_stats ();	985	pl->update_stats ();
1102	if (pl->type == PLAYER)	986	if (pl->type == PLAYER)
1103	{	987	{
1104	new_draw_info (NDI_UNIQUE, 0, pl, "You unwield your weapon in order to attack.");	988	new_draw_info (NDI_UNIQUE, 0, pl, "You unwield your weapon in order to attack.");
1105	esrv_update_item (UPD_FLAGS, pl, weapon);	989	esrv_update_item (UPD_FLAGS, pl, weapon);
…		…
1123	*/	1007	*/
1124	static int	1008	static int
1125	attack_melee_weapon (object op, int dir, const char string, object *skill)	1009	attack_melee_weapon (object op, int dir, const char string, object *skill)
1126	{	1010	{
1127		1011
1128	if (!QUERY_FLAG (op, FLAG_READY_WEAPON))	1012	if (!op->flag [FLAG_READY_WEAPON])
1129	{	1013	{
1130	if (op->type == PLAYER)	1014	if (op->type == PLAYER)
1131	new_draw_info (NDI_UNIQUE, 0, op, "You have no ready weapon to attack with!");	1015	new_draw_info (NDI_UNIQUE, 0, op, "You have no ready weapon to attack with!");
1132		1016
1133	return 0;	1017	return 0;
1134	}	1018	}
1135		1019
1136	return skill_attack (NULL, op, dir, string, skill);	1020	return skill_attack (NULL, op, dir, string, skill);
1137
1138	}	1021	}
		1022

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Comparing deliantra/server/server/skill_util.C (file contents): Revision 1.49 by root, Mon May 14 21:32:27 2007 UTC vs. Revision 1.94 by root, Sun Apr 11 00:34:06 2010 UTC

Diff Legend

Comparing deliantra/server/server/skill_util.C (file contents):
Revision 1.49 by root, Mon May 14 21:32:27 2007 UTC vs.
Revision 1.94 by root, Sun Apr 11 00:34:06 2010 UTC